Adjusting and clamping collar



Aug. 12, 1930.' s, POLLAK 1,772,685

ADJus'rING AND CLAMPING coLLAR med oct. 23, 1925 fnl/@niort i @Mq ing a 'modified forni.

- Patented Allg-i112I 1.930

^- i vItalia,orfQIIIGAGQ,ILLINOIS,Aconroniurior or ILLINOIS g ffAnJUsfrIimANn ,CLAMPING coman This invention relates to/asuppdrtgfor bearings and particularly to anVadJ'ustlngf and clamping collarfsupportvffor high-speed bearings. In thefforin shown'herevvith it may be manufactured;adjusted; assembled 19a and thereafter treated as 'a"unit,f andwhi'ch may be placed in positionfandhavea shaft inserted through it,and1the shaft' thereafter readilyfastened so as vto .be'supported in the' bearing. Another Objectis to provide in such: a construction anladjusting and bearing cen- Y terin g collar for high speed bearings. Other objects Will 'appear' from.y time g to l. time Y throughout the speciication andlclairns.

= My invention isl illustrated inoreor less. in ,Y the aecornpanyingV 29 diagrammatically drawing, wherein Figure l is a sectionthroughlthe bearinf 1;sk

` showing one form ofthe device;

`Iligure 2 is a transverse section4 taken on the line 2 2 of Figurel Figure 3 is a viewy similar to Figlurel shovve Like parts are indicatedby like characters throughout.` Y j@ A isa. shaft. Bis a be'aringsleevethrough Which the shaftv is inserted and Which is caused to gripit inthe manner described be-` low. Thesleeve B is slotted asfat yB1 andis 'provided with tapered` portionsB2 threaded `adjacentthe end as at B3.- r Describing now the form D is an inner race mounted on the sleevevBg Y D1 are rollers. D2 Is'anouterrace." E1s an. Inner dust ring and co-operating fvvlth this 5 is a set screw.y F6 is a. separable plug beneath holdingkmeinber 1 such parts.

the setiscrevv` n adjusted .to `cknnpress-the lead f plug*` on the?" so'L-oivIoN `:PoI4LiiK,k FfsA1\r` FnANeIsoo, ,eALIFORNIAe,` AssIGNR To LINK-BELT corr-` .1 The set'screWs may` be outery threaded portionof the collar C to lock f n the `collar C and the collarfFtogether.

I Describing novv the form-0f" device shown InFigure 3 G is the threaded'fportion on the outside of the sleeve B. It Will be'notedthat 'l .it is longerthan the threaded portion'Biin the forIn of theinventionillustrated in Fig-A i urel. lHis ashort collarprovided'with set screws H1. The bearing, race, rollers and dust yrings are? the same in each form of the invention. p t' l Y I `is a wedge collar provided on its interiorV with a Wedge face I1 rand a cutaway or reduced portion I2. It isr interiorlythreaded as at'If3 and-is provided-With aperforation in Whichgavsetfscrew J `is positioned. *J1 is a lead orgother separable `plug which` by the adjust1nent...ofthe screWvJ- is forced against .the threaded portion G of the sleeveB' and thus holds thecollar I inxed relation with thesleeve Jfzware Wrench holesin-thecollar` I.V1 Kfisa bearing housing Asupported ina a baseK?. The housing K isshaped. to receive.the.bearing and lbearing:racei and' other `Its details forni*noparticular e part of the present invention.`r

vice, still it will be obvious that many-changes might be made in size, shape and. arrange; ment fof parts k Without;` departing l materially i' :from the spirit )of Iny invention; andIwish, v .e therefore, thatflknyjshovving betakenv as inffa- 'of invention i shown in yFigure V1:1() isl a collar threaded j jinteriorly and exteriorly.y -It is prov-idedwithf a reduced extension orlange C1I which is j PL.'providedWithi threaded' perforations forfset l e n r inadvanceat senseidi.agr'animatic'.Yr Q; 1

The usey as follows :f

and r bearing :parts is preferably .i assembled i,

the factory. When` it is to be placed inaoperation,the` shaftwhich it, sup,`r

' ports is inserted: throughfthe' ybearing sleeve.y l'

Ingthe forin'shovvnj4 inFigure y1 the dust rings are p lacedinposition and ,thefouter` collar C` Kand which i's-carried .oni4

e Although I havefshoWn an operativefde` and operation' olf-nay invention are f The bea-ringy including the housing, sleeve A in is then-'screvved--ln position onthe ksleeve, B, be`

ingfinally fastened imposition againstrotaY tion, bymeansof the setscreivsfCZ. which hold.; it against turi'iing. yTh@Wedgez collar il "Fais then1 serevved in., positionA engaging the The first collar is merely screwed upon the "ring :inc ined` wedgin Viportion and with a generally fiat threade portion, such wedging ring tapered ends B2 sleeve and shaft together.

threads on the outside of the collar C. It is screwed up until its wedge face acts upon the of the sleeve B to wedge or clamp them against the `shaft A.Y When this has been screwed far enough to make a satisfaetoryengagement of these parts, the lead plug and the set screw areinserted andthe screw is screwed down and the wedge collar F is thus held in4 position.v Y

VIn this forni rof theA invention there is further co-operation of the two collars and the sleeve in holding the shaft inthe sleeve.

sleeve but does not itself serve to lock the It serves primarily as apositioning and supportingmeinber upon whichthe second or wedging an locking collar is positioned, and it is this last collar, 'the collar F, which has the wedging action thatbindsthe sleeve against the shat,

In the `form shown `in Figure 3 the collar H is inserted and serves merely the purpose 1 of holding in )osition one of the dust rings. A

As Willbe noticedfit is smallerrtlian the collar C shown in Figure l and is threaded onlyl on its interior. f Like that collar it is .held

against rotation vby set screws H1. lVhen it has been put in position the wedging collar I is screwed directly upon the threaded exterior G of the sleeve B, and its `wedge face,

co-operating with the tapered portion B2 of the sleeve against gether, screwed satisfactory lock, the plug J1 is inserted, the

set screw J is screwed in position, and the"A collar I is thus held against accidental rotation.` This form of the invention therefore diiersfrom the form shown in Figure 1 in that the wedge collar'eo-operates with the sleeve not1merely to carry out the wedging action but also to retain the sleeve in position B, wedges and locks the sleeve y the shaft A, thus holding the two tof and when the wedge collar I'has been far enough onto the sleeve to vmake aV Y'said sleeve, said s eeve having slottedV ends aildvprovided at its ends `with inclined portionsma'nd being threaded adjacent its ends, such inclined portions being free from threads `and aA solid unitary kspacing ring adaptedto be seated on each ofsuch threaded portlQnS and a Solid unitary continuous wedge provided `on its interior face with an adaptedltofbe seated en` the end of such sleeve,

d its.threadedportion adapted tofengagethe threaded portion of Vthe-sleeve and its inchnedportlon adapted Lto engage the inclined portlon of thesleeve, the wedging ring asa whole adapted to be drawn inwardly onzthe sleeve and thereby to Wedge theends of vthe slotted portions of the sleevea ainst a shaft, and dust guarding members wit insuch housing, onejof suchlmembersbeinglheld in position by said spacing ring.

Signed at `San Francisco, ,county of San Francisco, and State of California, .this 26th day ofAJune,11925.

y SOLOMON POLLAK.

since itis threaded vdownwardly upon the` I sleeve.

I claim:

V1. In combination in a bearing, a housing for said bearing. and a solid unitary sleeve f within said housing, a shaft passing through said. sleeve, said sleeve havingV slotted ends and provided at its ends with" inclined por.

tions and being threadedv adjacent its ends, such inclined Vportions being free frorn threads and a solid unitary continuous spacing ring adapted'to be seated on each of such threaded portions and a solid unitary `wedge ring provided on its interior face with an in-fl l elined wedging portionjand lwith a generally flat threaded portion, such wedging ring adapted to be vseated on the end of such sleeve, its threaded" portion' adapted to engage the threaded portion ofthe sleeve Vand itsinclined portion adapted to engage the kinclined portion of the sleeve,`the wedging ring as a whole adaptedto be drawn inwardly on the sleeve y 

